Subject: rename anon_vma_lock to vma_lock_anon_vma

From: Rik van Riel <riel@redhat.com>

Rename anon_vma_lock to vma_lock_anon_vma.  This matches the
naming style used in page_lock_anon_vma and will come in really
handy further down in this patch series.

Signed-off-by: Rik van Riel <riel@redhat.com>
---

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -99,14 +99,14 @@ static inline struct anon_vma *page_anon
 	return page_rmapping(page);
 }
 
-static inline void anon_vma_lock(struct vm_area_struct *vma)
+static inline void vma_lock_anon_vma(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
 	if (anon_vma)
 		spin_lock(&anon_vma->lock);
 }
 
-static inline void anon_vma_unlock(struct vm_area_struct *vma)
+static inline void vma_unlock_anon_vma(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
 	if (anon_vma)
diff --git a/mm/mmap.c b/mm/mmap.c
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -452,12 +452,12 @@ static void vma_link(struct mm_struct *m
 		spin_lock(&mapping->i_mmap_lock);
 		vma->vm_truncate_count = mapping->truncate_count;
 	}
-	anon_vma_lock(vma);
+	vma_lock_anon_vma(vma);
 
 	__vma_link(mm, vma, prev, rb_link, rb_parent);
 	__vma_link_file(vma);
 
-	anon_vma_unlock(vma);
+	vma_unlock_anon_vma(vma);
 	if (mapping)
 		spin_unlock(&mapping->i_mmap_lock);
 
@@ -1710,7 +1710,7 @@ int expand_upwards(struct vm_area_struct
 	 */
 	if (unlikely(anon_vma_prepare(vma)))
 		return -ENOMEM;
-	anon_vma_lock(vma);
+	vma_lock_anon_vma(vma);
 
 	/*
 	 * vma->vm_start/vm_end cannot change under us because the caller
@@ -1721,7 +1721,7 @@ int expand_upwards(struct vm_area_struct
 	if (address < PAGE_ALIGN(address+4))
 		address = PAGE_ALIGN(address+4);
 	else {
-		anon_vma_unlock(vma);
+		vma_unlock_anon_vma(vma);
 		return -ENOMEM;
 	}
 	error = 0;
@@ -1737,7 +1737,7 @@ int expand_upwards(struct vm_area_struct
 		if (!error)
 			vma->vm_end = address;
 	}
-	anon_vma_unlock(vma);
+	vma_unlock_anon_vma(vma);
 	return error;
 }
 #endif /* CONFIG_STACK_GROWSUP || CONFIG_IA64 */
@@ -1762,7 +1762,7 @@ static int expand_downwards(struct vm_ar
 	if (error)
 		return error;
 
-	anon_vma_lock(vma);
+	vma_lock_anon_vma(vma);
 
 	/*
 	 * vma->vm_start/vm_end cannot change under us because the caller
@@ -1783,7 +1783,7 @@ static int expand_downwards(struct vm_ar
 			vma->vm_pgoff -= grow;
 		}
 	}
-	anon_vma_unlock(vma);
+	vma_unlock_anon_vma(vma);
 	return error;
 }